.contain{
	width:100%;
	overflow: hidden;
	box-sizing:border-box;
	padding:10px;
	.submit{
		box-sizing:border-box;
		padding:10px;
		margin:0 auto;
		width:100%;
		background:#3C9CFF;
		text-align:center;
		color:#FFF;
		border-radius:4px;
	}
}